A mockernut hickory leaf has a coarsely hairy "stem" (rachis) that usually holds 7 to 9 leaflets. The small nut is encased in a very thick outer husk. Photographer: Virginia State Parks staff, CC BY 2.0.
You may sometimes see Carya tomentosa referred to as Carya alba.
† The conservation status of a species is designated by a number from 1 (critically imperiled) to 5 (secure), preceded by a letter reflecting the geographic scale of the assessment (G = Global, S = Subnational). More information is available through NatureServe Explorer.